Builder&#39;s bridging structure



A ril 5%, 1932 v. c. BURGETT BUILDERS BRIDGING STRUCTURE Filed March 20',

b u m w H M W m & d

Patented Apia: .5; 1932 UNI? vneeino. BURGETT, or LonAIN; onto I BUILDERS nrneine srnnorunn Application filed March 20, 1930.- Serial No. 437,325.

This inventionisa bridging or tying device to be used in building construction between floor joists or the like. One object of the invention is to provide a structure of this kind especially adapted for use with steel bar joists now in common use.

'Another object is to provide -a form of bridge strip for connecting joists in buidings, includingspaced and squared loops adapted to seat snugly over the tops of the joists and to automatic-ally center the extend straight down the sides thereof substantiallytowards the bottoms thereof, the said loops being connected by straight across 7 reaches for maintaining in an edgewise vertical position oists having otherwise a tendency to warp or twist sidewise- A further object of the invention is to provide in a relatively simple and strong form, astructure of the kind which will serve to joists as the bridging is laid down.

V In the drawings Figure 1 is a side elevationof a strip of.

bridging constructed and laid in accordance with this invention, a side wall and a number of joists being shown in section;

Figure2 is a plan view showing a number of sections of floor joists as connected bya strip of bridging made in accordance with this invention;

Figure 3 is a plan view showing a number of sections of floor joists as connected by two strips of the bridging, and illustrating themethod of oining the ends of two such strips, the ends being positioned side by side and thus held or otherwise'securedtogether;

Figure at is an enlarged detail'view of a section of the bridgingstrip.

The invention consists in aform of bridg-f lng or bridge strip 1 .ma deof strip; 11'011. or

other suitablematerial of about one and onehalf inches'width and one-eighth inch thickness, or as may be desired. These strips are L bentas shownin the drawings to form'spaced n) grally connected by the horizontally extended and squared loops 2 adapted to seatsnugly over the floor joists 3 which are regularly spaced apart; The loops 2 extend below the longitudinal axis of the joists'and are intereaches 4. Thus the reaches 4 extendstraight across from joist to joist below their axes and are most advantageously positioned to pre- Vent warping or twisting of thejoists. The endslof the bridge stripsl may be anchored in the side walls, one of which is shown at 5, in any suitable manner, as by a right angled bend 6 seated in the masonry. The bridge strips 1 may be cut to order to meet the width of the building, or for wide structures, two

or more strips maybe joined or spliced together attheir ends as shown at 7. Inasmuch as the strips. 1 have the loops 2 regularly spacedapart to the desired distance, the said loops as they arelaid down serve to auto matically center the joists 3.

necting the joists'andhaving spaced loops adapted to seat snugly'over the tops of the oists and extend straight down the sides and i below the longitudinal axes of the joists to resist twisting stresses on the oists,the ends of the strip belng extendedoutward from the upper extremities of the loops nearest 8 the ends of the strip and being bent upward and anchored in thesaid walls of the build- In testimony whereof Ijaflix my signature.

VIRGIL C. BURGETT. 

